What important characteristic of water is the blue color attributed to?
A) The large oxygen atoms
B) The covalent bonds
C) Adhesion to other solids
D) The hydrogen bonds
D
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Gelisols generally are most closely associated with
A) lack of organic matter. B) fast rates of chemical weathering. C) salinization. D) permafrost.
Which of the following conditions most likely produces warming at the Earth's surface?
A. an increase in low-level global cloudiness B. a decrease in energy output of the sun C. an increase in high-level global cloud cover D. an increase in sulphur-rich particles in the stratosphere
Describe the general topography in the region north of Poor Valley Ridge.
The question is based on Map T-6, the “Johnson City, Tennessee-Virginia-Kentucky- North Carolina” topographic map (scale 1:250,000; contour interval 100 feet). This map shows a portion of the Appalachian Mountains at the Tennessee, Kentucky, and Virginia border 136°39'30"N, 83°01'05"W). Figure 41-4 is a satellite image of this same region (to view this image, scan the QR code for this exercise or go to the Hess Laboratory Manual website and Exercise 41). What will be an ideal response?
Galaxies are aggregations of stars, stellar dust, and gas. Their masses
A. are small compared to blue supergiant stars. B. depend on the rate of pulsar emissions within them. C. vary greatly from one galaxy to the next. D. are all about the same, which is huge.